Medication errors cause thousands of avoidable hospital admissions each year. Many happen at home — and most are preventable with the right systems in place.
An estimated 237 million medication errors occur in the NHS every year. Many of the most serious happen at home — the wrong dose, a forgotten tablet, a dangerous interaction between medicines that were not reviewed together. For older people taking multiple medications, the risks are compounded. This guide explains what the most common risks are and what you can do about them.
Managing medications at home is genuinely complex. It becomes more so with age, cognitive decline, multiple conditions, and changes to regimes following hospital admission. The most common causes of home medication errors include:
Some medications carry particularly high risks at home. If your relative is prescribed any of the following, extra care and monitoring is warranted:
Warfarin, rivaroxaban (Xarelto), apixaban (Eliquis). Missed doses increase clot risk; double doses increase bleeding risk. Regular INR monitoring required for warfarin.
Wrong doses or wrong timing can cause dangerous hypos. Requires consistent food intake and monitoring.
Missed doses cause BP spikes; some medications (particularly amlodipine) cause ankle swelling or dizziness that increases fall risk.
Furosemide, bumetanide. Urgent urination can increase falls risk, especially at night. Timing matters significantly.
A dosette box is a plastic organiser divided into compartments by day and time of day — Monday morning, Monday lunch, Monday evening, and so on, typically for a week or a fortnight. A pharmacist or the GP surgery fills the box with the correct tablets for each slot. The user takes the correct compartment at the correct time.
Dosette boxes are highly effective for people who are cognitively able to open them and follow the day/time system. Most pharmacies will fill them for free. Ask your GP or pharmacist. They significantly reduce the risk of both missed doses and double dosing.
Important: not all medications can go in a dosette box — some must be kept in original packaging due to light, temperature or moisture sensitivity. Your pharmacist will advise.
For people with cognitive impairment or greater complexity, automated dispensers go a step further. These devices are pre-loaded (typically weekly or fortnightly by a carer, family member, or pharmacy service) and dispense the correct medications at the programmed time with an audible or visual alert. If a dose is not taken, the device alerts a nominated carer or family member.
Devices include the Pivotell Advance and similar products, typically costing £100–200 as a one-off purchase. Some councils provide them free as part of telecare packages. They are particularly valuable for people living alone who have early to moderate dementia.
For people with smartphones and intact cognition, medication reminder apps (Medisafe, NowRx and others) provide timed notifications and allow family members to track adherence remotely. The limitation is that a smartphone is needed and the person must engage with it — this rules out many older adults.
A medication review is a structured assessment, usually conducted by a GP or clinical pharmacist, of all the medications a person is taking — checking for interactions, whether each medication is still appropriate, and whether doses are correct.
Everyone taking multiple medications should have a medication review at least annually — and more frequently after hospital discharge or any significant change in health. You can request this from the GP surgery. NICE guidelines recommend proactive medication review for anyone taking 10 or more medications, but a review is appropriate for anyone taking 5 or more.
Common outcomes of a medication review: several medications stopped (deprescribing), doses adjusted, timing changed, or a simpler regime introduced. This is not the person getting worse care — it is the person getting safer, more effective care.
Professional home carers play an important role in medication safety — though the scope of what carers can do is governed by training, care plan instructions, and the provider's policies.
At Ekvarta, our carers can:
Carers do not administer injections without specific training, and do not make clinical judgements about whether a medication should be taken. Any concerns should always be escalated to the GP or a healthcare professional.
The period immediately after hospital discharge is the highest-risk time for medication errors at home. The discharge letter should list current medications — but it is important to:
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